40 CFR 90.302 - Definitions.
The definitions in § 90.3 apply to this subpart. The following definitions also apply to this subpart.
Natural gas means a fuel whose primary constituent is methane.
Rated speed means the speed at which the manufacturer specifies the maximum rated power of an engine.
Title 40 published on 10-May-2017 04:28
The following are ALL rules, proposed rules, and notices (chronologically) published in the Federal Register relating to 40 CFR Part 90 after this date.